[PATCH] drm/amdkfd: Print unique_id as hex instead of decimal

Kent Russell kent.russell at amd.com
Wed Feb 3 18:22:40 UTC 2021

Add a new helper function for printing Topology values to support
printing 64-bit hex values. Use this for unique_id to ensure that the
unique_id in KFD's topology matches the one in amdgpu's sysfs pool.

Signed-off-by: Kent Russell <kent.russell at amd.com>
 drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index a3fc23873819..4e4f651dcb88 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -217,6 +217,8 @@ struct kfd_topology_device *kfd_create_topology_device(
 		sysfs_show_gen_prop(buffer, offs, "%s %u\n", name, value)
 #define sysfs_show_64bit_prop(buffer, offs, name, value) \
 		sysfs_show_gen_prop(buffer, offs, "%s %llu\n", name, value)
+#define sysfs_show_64bit_hex_prop(buffer, offs, name, value) \
+		sysfs_show_gen_prop(buffer, offs, "%s %llx\n", name, value)
 #define sysfs_show_32bit_val(buffer, offs, value) \
 		sysfs_show_gen_prop(buffer, offs, "%u\n", value)
 #define sysfs_show_str_val(buffer, offs, value) \
@@ -497,7 +499,7 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr,
 	sysfs_show_32bit_prop(buffer, offs, "num_cp_queues",
-	sysfs_show_64bit_prop(buffer, offs, "unique_id",
+	sysfs_show_64bit_hex_prop(buffer, offs, "unique_id",
 	if (dev->gpu) {

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